PCB only (no components fitted) main controller board PCB for a Universal K3NG Rotator Controller system.

This controller will suit a Yaesu G-5500 or an azimuth-only rotator such as the G-800 DXA, G-1000DXA, G-2800 DXA or any generic rotator with CCW and CW control switches, along with a linear actuator.

PCB size:

132 x 55 mm


Controller features:

• Teensy 3.2 MCU
• Nextion HMI interface
• CW/CCW NPN open-collector control outputs
• Up/Down NPN open-collector control control outputs
• Linear Actuator PWM control output for external PWM carrier driver board
• Analogue Azimuth potentiometer input
• Analogue Elevation potentiometer input
• G-800DXA etc PWM Speed voltage output (5V output)
• DC Input (2.5mm coaxial)
• GPS Serial Input (4-pin Mini DIN)
• GPS Serial pass-through to USB (Mini B)
• RTC Battery input
• i2C remote sensor input via P82B96 bus transceiver (RJ45)
• 4 x General purpose inputs available with pull-ups


Professionally fabricated, double-sided, with silk-screen overlay.


Package Footprints

• U1 7805 (or drop-in 7805 replacement)  TO220
• U2 Teensy 3.2   DIP28
• U3 SN74LVC1T45  SOT23
• U4 P82B96  DIP8
• U5 FT230XS  SSOP16
• Resistors  1206
• Ceramic capacitors  1206
• Tantalum capacitors  6032
• Headers 0.1″ pitch
• Connectors are “standard” pinouts!


Price & availability TBA